Home / 6,651.89-9,180.02-3,667.71

Finding the Fourth Proportional to 6,651.89, 9,180.02 and 3,667.71

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Solution

The fourth proportional to 6,651.89, 9,180.02 and 3,667.71 is: 5,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.89 : 9,180.02 = 3,667.71 : x
  2. Step 2: Convert to fraction form
    6,651.89/9,180.02 = 3,667.71/x
  3. Step 3: Cross multiply
    6,651.89x = 9,180.02 × 3,667.71
  4. Step 4: Simplify right side
    6,651.89x = 33,669,674.12
  5. Step 5: Solve for x
    x = 33,669,674.12/6,651.89
  6. Step 6: Final answer
    x = 5,061.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.